Saturday

August 30, 2014

August 30, 2014

Posted by **james** on Tuesday, October 2, 2012 at 5:52pm.

Find the exact value of cotx if the terminal side of angle x contains the point (-5,-12).

Find the exact value of secx for angle x that has a terminal side containing the point (-1,squareroot3)

- Trigonometry -
**Reiny**, Tuesday, October 2, 2012 at 5:59pmFirst:

So the angle is in quadrant III

tan x = -12/-5 = 12/5, so

cot x = 5/12

2nd:

point is (-1,√3) which is in quad II

you have a right-angled triangle with sides 1, √3, and 2 ( the famous 30-60-90 triangle)

cos x = -1/2

sec x = -2

**Related Questions**

Math- Trigonometry - The point, in on the terminal side of an angle in standard ...

Algebra II - 1) Find the exact value of cos theta if the terminal side of theta ...

trigonometry - 1)find the exact value indicated trigonometric function of θ...

math(advanced algebra&trigonometry) - If a is an angle in standard position and ...

trig - find the exact value of cos(theta) if the terminal side of angle(theta) ...

trig - Given that θ is an angle in standard position whose terminal side ...

math(advanced algebra&trigonometry) - If θ is an angle in standard position...

Trig - If the terminal side of theta in standard position contains the point (5...

Pre-Cal - Find the exact sine value of the angle in standard position whose ...

trig - If θ is an angle in standard position and its terminal side passes ...